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发明名称
摘要
申请公布号
JPH0442639(Y2)
申请公布日期
1992.10.08
申请号
JP19860082962U
申请日期
1986.05.30
申请人
发明人
分类号
F16L57/00;F16L55/18;(IPC1-7):F16L55/18
主分类号
F16L57/00
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代理人
主权项
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